EXCHANGE OF SENSITIVE INFORMATION IN CLEAR TEXT

published 2025-10-31 12 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-37356

cvss: 8.3; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

The web server of the device performs exchanges of sensitive information in clear text through an insecure protocol.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 12 mo ago (2025-11-03)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:L/SA:H
CNA	4.0	8.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:L/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Circutor TCPRS1plus

Classification

Weakness

CWE-319 Cleartext Transmission of Sensitive Information

References

cds.thalesgroup.com /es/s21sec
circutor.com /productos/iot-industrial-y-automatizacion/conversores-y-pasarelas/product/D80010./
product
hackrtu.com /blog/cg-0day-en-003/
technical-description

Sources

CVE List CVE-2025-64389
NVD CVE-2025-64389

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary